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Re:The rule says, “No vehicles in the park” by elif on Saturday June 24, 2023 @10:31AM (#36458992)
Code 2 means emergency vehicles are responding to an emergency, have their lights and sirens on, and are thus permitted to violate traffic rules.

Code 3 means that emergency vehicles are responding to a non-emergency, backup for a scene which is mostly under control, etc. But it is not urgent enough to warrant lights or sirens.

Re:The rule says, “No vehicles in the park” by woooooo on Saturday June 24, 2023 @10:33AM (#36459008)
In practice, of course, cops will flick their lights on when they want to run a red light instead of waiting.

So of course they drive through the park whenever they want.

Re:The rule says, “No vehicles in the park” by trogdor on Saturday June 24, 2023 @04:33PM (#36462431)
The terms you are using are not universal, and in the United States “Code 3” typically mean lights and siren, and “Code 2” typically means lights but no siren.

Best to avoid jargon.